alarm

Definition

  • n. fear resulting from the awareness of danger
  • n. a device that signals the occurrence of some undesirable event
  • n. an automatic signal (usually a sound) warning of danger
  • v. warn or arouse to a sense of danger or call to a state of preparedness

Word forms

Past participle
alarmed
Past tense
alarmed
Present participle
alarming
Third person singular
alarms

Example sentences

  1. n.

    The alarm rang loudly in the morning to wake everyone up.

  2. vt.

    The teacher alarmed the students about the upcoming test.

  3. n.

    The security system sent an alarm when it detected movement.